Device for spraying upwardly or downwardly



May 15, 1951 M. GREENE DEVICE FOR SPRAYING UPWARDLY OR DQWNWARDLY 2Sheets-Sheet 1 Filed Jan. 2'7, 194? MIZl J BYZ y 1953 M. GREENE2,553,040

DEVICE FOR SPRAYING UPWARDLY 0R DOWNWARDLY Filed Jan. 27, 19-47 2Sheets-Sheet 2 INVENTOR. Mfaus QJ'eeqe,

Patented May 15, 1951 OFFICE DEVICE FOR SPRAYING UPWARDLY OR DOWNWARDLYMarcus Greene, Caldwell, N. J.

Application January 27 1947, Serial No. 724,517

This invention relates to improvements in spraying devices; and theinvention has reference, more particularly, to a novel construction ofportable spraying device for spraying a selected liquid or liquidmixture or a powder optionally in either upward or downward direction asmay in any given case be desired.

The invention has for an object to provide a novel construction ofportable spraying device comprising a reservoir to contain a supply of aliquid or liquid mixture or a powder desired to be discharged through acommunicating spray nozzle mean with which said reservoir is provided, amanipulatable hand pump means for introducing and compressing air withinthe reservoir, whereby the compressed air will exert dischargingpressure upon the liquid or powder content of the reservoir, and a novelmanipulatable valve means between the spray nozzle means and thereservoir, said valve means havin ex ernal means for actuating the sameto open and close communication between the spray nozzle means and thereservoir.

The invention has for a further object to provide a portable sprayingdevice which is. characterized as above stated, wherein themanipulatable valve means is optionally movable to different openpositions, whereby, in one such open position, the compressed airdischarged content of the reservoir may be caused to spray from thespray nozzle means when the latter is upwardly directed, and, in anothersuch open position, the compressed air discharged content of thereservoir may be caused to spray from the spray nozzle means when thesame is downwardly directed.

The invention has for another object'to pro vide a novel portablespraying device of the kind stated, wherein the hand pump is detachablycoupled to the reservoir subject to removal whereby to open a fillingmouth through which a liquid or liquid mixture, or powder desired to besprayed, can be poured into the reservoir; andwherein said hand pump, inaddition to its air injecting and compressing function, can serve as thehandle means for holding and directing the spraying device in use.

Other objects of the invention, not at this time more particularlyenumerated, will be understood from the following detailed descriptionof the same.

An illustrative embodiment of the invention is shown in the accompanyingdrawings, in which:

Fig. l is a side elevational view of the. novel portable spraying deviceaccording to 'this invention; and Fig. 2 is a top or nozzle endelevational view thereof.

l Claim. (Cl.29996) Fig. 3 is a fragmentary vertical sectional view,drawn on an enlarged scale, with the control valve means in closedcondition; Fig. 4 is a similar fragmentary view, showing the controlvalve means in .a selected open position adapted to permit spraydischarge from the nozzle means when the latter is upwardly directed;Fig. 5 isa detail cross-sectional view, taken on line 55 in Fig. 3 withthe control valve means in closed position; Fig. 6 is "a detailcross-sectional view, taken on line 6-4; in Fig. 4, with the controlvalve means in the selected open position shown in said Fig. 4; Fig. 7is a vertical sectional view similar to that of Fig. 3, but showing thedevice downwardly directed and the control valve means in anotherselected open position adapted to permit spray discharge from thedownwardly directed nozzle means; Fig. 8 is a detail cross-sectionalview, taken on line 8-8 in Fig. '7, with the control valve means in theselected open position shown in said Fig. '7; and Fig. 9 is afragmentary cross-sectional view, taken on line 99 in Fig. 3, andshowing the connection of an external 'actuating means with which thecontrol valve means is provided.

Fig. 10 is a fragmentary sectional view similar to that of Fig. 7, butshowing a modified arrangement adapting the device for spraying of apowder.

Similar characters of reference are employed in the above describedviews, to indicate corresponding parts.

Referring to the drawings, the novel portable spraying device accordingto this invention comprises a hollow reservoir member which may bevariously made and shaped but which, as shown, preferably comprisesopposed hemispherical shells, which for convenience may be designated anouter shell I I and an inner shell I2, the meeting marginal portions ofwhich are joined together by a suitably formed coupling seam structureI3. 1

The reservoir member is provided at one end, which, as shown, is formedby the outer shell II, with an opening I4, related to which is a valvehousing I5 having a boss I6 of reduced diameter, thus forming anintermediate shoulder 11. This valve housing I5 is disposed within theinterior of the shell II, so that its shoulder I'I abuts the inner faceof the marginal portion of the opening I4, with the boss I6 projectingexteriorly through said opening. The valve housing is affixed and sealedto the shell I I by brazing jorsoldering the same thereto, or in anyother suitable or convenient manner. Extending axially through the valvehousing I 5 and its boss I6 is a tapered bore forming an integral partof the valve plug. Ex-

tending axially outward through the valve plug i9 and its neck portion2i is an outwardly open discharge passage 22 which is closed at itsinner end. Extending radially inward from the periphery of said valveplug into communication with said discharge passage is a, valve port-23.Provided in the valve housing it, to extend radially inward from oneside of its external periphery to the bore l8 thereof, is an inlet port2 5 which communicates with the interior of the outer shell adjacent tothe end wall thereof. Also provided in the valve housing 55, to extend 4the outer end of the neck portion 2| of the valve plug. Said spraynozzle means may also be varied in form and structure. An illustrativeembodiment of spray nozzle means, as shown, comprises an internallyscrew-threaded nozzle cap 3| having a central spray discharge aperture32 in its outer end wall. Threaded into the interior of said nozzlecap,,so as to be locatedbehind and in suitably spaced relation to itsouter end wall, is av deflector plug 33 which is provided with one ormore oblique ducts 35 formed therein, to extend in communication betweenthe discharge passage 22 of the valve plug l9 and an interior chamber 35of the nozzle cap which underlies the discharge aperture 32. Said nozzlecap 3| is screwed onto the neck portion 2| of the valve plug I9, and issealed thereto by a sealing washer radially inward from a point withinthe interior of its opposite side or wall to the bore 38, is a secondinlet port affixed to the valve housing, to extend longitudinally fromthe inner free end thereof through theinterior of the reservoir member,and so as to terminate within the inner shell I: adjacent to the endwall thereof, is siphon tube 25, which connects in communication withsaid second inlet port 25. Said inlet ports 24; and 25 are so positionedthat rotation of thevalve plug is in proper directions will optionallybring the valve port 23 into communication with one or the otherthereof.

I The valve plug I9 is provided with means, disposed'exteriorly of thereservoir member, for rotating the same optionally to closed or to oneor'the other of its open positions. This means comprises an actuatinglever 72? which is curved to conform to and thus overlie the exteriorsurface of' the outer shell H of said reservoir member. Said lever 2'!is aflixed to the valve plug It by an end portion 28 having an opening29 conformably shaped to receive and embrace the shank portion 26 ofsaid valve plug |& (see Fig. 9); said end portion 28 being retained inoperative coupled relation to said shank portion 2a by a nut piece 30,which is screwed over and down upon said neck portion 2| of the valveplug. As shown in Fig. 1, the exterior surface of the reservoir membershell H is inscribed with indicator means correlated to the closed andopen positions of the valve plug Hi. In one illustrative form thereof,said indicator means comprises e. g. the legend Spray down which, whenthe actuating lever 2'! is turned to point thereto, indicates that thevalve plug has been rotated to an open position which brings its valveport 23 into communication with the inlet port 24, whereby the valvemeans is opened to permit down spraying discharge of the content of thereservoir memher; the legend Spray up which, when the actuating lever 2?is turned to point thereto, indicates that the valve plug has beenrotated to another open position which brings its valve port 23 intocommunication with the inlet port 255, whereby the valve means is openedto permit up spraying discharge of the content of the reservoir member;and an intermediate legend Closed which, when the actuating lever isturned to point thereto, indicates that the valve plug has neck 42.

been rotated to an intermediate position which or gasket 36 which is,interposed between said nozzle cap and the adjacent nut piece 39.Pressure liquid or powder in traversing the oblique duct or ducts 34 isgiven a swirling movement, whereby to impart a fanning out of the sameas it is ejected through the discharge aperture 32 of the nozzle cap,thus efiecting a breaking up of the ejected stream into a divergentspray issued from said aperture 32.

The reservoir member is provided at its opposite end, which as shown, isformed by the inner shell l2, with an opening 3'1, related to which isan internally screw-threaded bushing 38 adapted to project outwardlytherethrough. Said bushing is provided at its inner end with an annularflange 39 adapted to abut the inner face of the marginal portion of theopening 3?. Said bushing with its flange is afiixed and sealed to theshell l2 by brazing or solderin the same thereto, or in any otherconvenient manner.

The bore of said bushing 38 serves as a filling opening through which aliquid, liquid mixture, or a powder, desired to be sprayed by operationof the device, may be introduced into the interior of the reservoirmember.

Said bushing 38 also serves as a coupling connection for operativelyattaching a hand pump to and in operative communication with thereservoir member. The hand pump comprises a 1ongitudinal tubular barrelor cylinder having afiixed thereto an inner end cap ii from whichprojects an externally screw-threaded coupler Said coupler neck 32 issized to screw into the bushing 38, thereby detachably connecting thepump to the reservoir member in axially aligned relation to the latter.A suitable outwardly opening, preferably spring closed, check valvemeans 43 is carried by the coupler neck 42. The outer end of the pumpbarrel or cylinder 49 is closed by a perforate outer end cap 44 throughwhich slidably extends the pump piston rod 55.

To the inner end of said piston rod 45 is aiiixed a pump piston 4%.: ofsuitable form. Aflixed to the outer end of said piston rod ii"; is ahandle member 47 by which the pump can be operated.

In the use and operation of the described portable spraying device,assuming it is desired to spray a liquid or liquid mixture, such e. g.as an insecticide, disinfectant or other purpose liquid, the pump isdetached from the reservoir member and a quantity of the liquid orliquid mixture, in amount adapted to partially fill the same, is filledinto the reservoir member through the opening or how of the bushing 38.This having been done, the pump is again attached to the reservoirmember in operative relation thereto. The pump being attached, theoperator thereupon actuates the same to introduce and compress airwithin the reservoir member interior, whereafter the device is ready foruse.

If it is desired to utilize the device so as to emit an upwardlydischarged spray, by employing the pump as a handle means, the reservoirmember is upwardly directed, thus upwardly directing the spray nozzlemeans. Preparatory to such operation, the valve actuating lever 21 isturned to point to the Spray up indication. Such movement of the lever21 rotates the valve plug l9 from the closed position shown in Figs. 3and 5 to the up-spraying open position shown in Figs. 4 and 6, in whichlatter position the valve port 23 is brought into communication with theinlet port 25 and siphon tube 26. Since the content of the reservoirmember gravitates to the inner end of said reservoir member when thelatter is upwardly directed, the inlet port 24 of the valve meansbecomes inoperative, so that the inlet port 25 and siphon tube 26 mustbe utilized to deliver the content of the reservoir member through thevalve means for emission through the upwardly directed spray nozzlemeans. It will be obvious that the pressure of the air which has beencompressed within the interior of the reservoir member unoccupied by theliquid, will force said liquid upwardly through the siphon tube 26 andthence through the valve means and spray nozzle means for emission fromthe latter. It will be understood that if, during the sprayingoperation, air pressure within the reservoir diminishes so as to beinsufficient to project a satisfactory spray, the pressure may berenewed by actuating the pump, either while continuing to spray, or bytemporarily closing the valve means and thereupon pumping up the airpressure before reopening the latter for continuation of the sprayingoperation.

If, on the other hand, it is desired to project a downwardly directedspray from the device, the reservoir member is reversed, so as to bedownwardly pointed. In such case, the content of the reservoir member,under gravity, lodges in the outer end of said reservoir member, so thatthe content is removed from communication with the siphon tube 26, butcovers the inlet port 24 of the valve means. Under these circumstances,the lever 21 is turned to point to the Spray down legend, thus rotatingthe valve means to register its valve port with said inlet port 24, sothat the pressure liquid may thereupon flow out through the valve meansto the spray nozzle means to efiect down directed spray emission fromthe latter.

As already intimated, the spraying device is also operative to spray apowder content from the reservoir member. If the device is to be usedfor powder discharge, it is desirable to guard the outlets of the valvemeans against choking by the powder. One suitable means to attain thisend is shown in Fig. 10 and comprises a perforate screen element 50arranged to surround the intake end of the valve housing IS in spacedrelation thereto, so that the powder is prevented from forming a densemass at the inlet port 24. Similarly, a screen guard or thimble 51 maybe mounted over and in connection with the intake end of the syphon tube26.

Having now described my invention, I claim:

In a portable spraying device having a hollow reservoir provided with ahand pump extending from its inner end and a discharge means at itsouter end including an internal siphon tube, the combination whichcomprises said discharge means and including a valve housingintersecting the wall of the reservoir so as to provide an interiorportion and an exterior portion, said valve housing having a taperedaxial bore, a correspondingly tapered valve plug extending through androtatable in said bore, said valve plug having an outwardly open axialdischarge passage, a spray nozzle means threaded onto the outer end ofsaid valve plug with which said discharge passage communicates, saidnozzle means comprising a cap having an axial discharge aperture and anobliquely channeled deflector plug within said cap adapted to swirl thespray discharged from the nozzle means, the interior portion of saidvalve housing having diametrically aligned oppositely extending inletports in its walls, said valve plug having a single transverse radialport leading to the discharge passage, and an actuating lever connectedwith the outer end of the valve plug operative to selectively positionthe valve plug either to close said radial port or dispose the same incommunication with a selected inlet port of the valve housing.

MARCUS GREENE.

REFERENCES CITED The following references are of record in the file ofthis patent:

UNITED STATES PATENTS Number Name Date 1,191,991 Pearsons July 25, 19161,261,311 Smith Apr. 2, 1918 1,276,353 Hansen Aug. 20, 1918 1,326,927Hall Jan. 6, 1920 1,878,472 Dodelin Sept. 20, 1932 2,154,941 KampschulteApr. 18, 1939 2,165,696 Charter July 11, 1939 2,181,186 Jackson Nov. 28,1939 2,290,594 Keith July 21, 1942 2,421,183 Cakebread May 27, 1947FOREIGN PATENTS Number Country Date 441,018 Great Britain Jan. 10, 1936441,082 France May 18, 1912

